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Replicating reducing the risk: 12-month impacts of a cluster randomized controlled trial

Author

Listed:
  • Kelsey, M.
  • Blocklin, M.
  • Layzer, J.
  • Price, C.
  • Juras, R.
  • Freiman, L.

Abstract

Objectives. To test the effectiveness of Reducing the Risk, an evidence-based sexual health curriculum designed to help prevent adolescent pregnancy and sexually transmitted infections, on youth sexual behavior and intermediate outcomes thought to lead to these behaviors. Methods. Classes within schools in St. Louis, Missouri; Austin, Texas; and San Diego, California; were randomly assigned to receive Reducing the Risk or "business as usual." Youths completedWeb-based surveys at baseline (preintervention, August 2012-January 2014) and 12 months later (August 2013-January 2015). Intent-to-treat analyses were conducted across sites; we tested for differences in impacts between sites and other subgroups. Results. The program had no overall impact on sexual behaviors. However, at 1 site, program participants were significantly less likely to have engaged in recent sexual intercourse than were control group members. There were positive overall impacts on intermediate outcomes (e.g., knowledge, attitudes). Conclusions. After 12 months, Reducing the Risk was unsuccessful at changing sexual behaviors. Other results were mixed, but promising evidence (e.g., behavioral impacts at 1 site, impacts on intermediate outcomes) suggests potential for more widespread behavioral impacts over a longer term.

Suggested Citation

  • Kelsey, M. & Blocklin, M. & Layzer, J. & Price, C. & Juras, R. & Freiman, L., 2016. "Replicating reducing the risk: 12-month impacts of a cluster randomized controlled trial," American Journal of Public Health, American Public Health Association, vol. 106, pages 45-52.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2016.303409_6
    DOI: 10.2105/AJPH.2016.303409
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    Cited by:

    1. Brian Goesling & Robert G. Wood & Joanne Lee & Susan Zief, "undated". "Adapting an Evidence-Based Curriculum in a Rural Setting: The Early Impacts of Reducing the Risk in Kentucky," Mathematica Policy Research Reports c583f07a42ad49dbb1a236ffb, Mathematica Policy Research.
    2. Brian Goesling & Joanne Lee & Robert G. Wood & Susan Zief, "undated". "Adapting an Evidence-Based Curriculum in a Rural Setting: The Longer-Term Impacts of Reducing the Risk in Kentucky," Mathematica Policy Research Reports 9c41ee6178db492d9c2f3c344, Mathematica Policy Research.

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